The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2006
Filed:
Sep. 05, 2000
Applicant:
Chung Nan Chang, Los Altos, CA (US);
Inventor:
Chung Nan Chang, Los Altos, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
One aspect of the present invention establishes a session key by a receiving unit R transmitting a plurality of quantities for storage in a public repository. A sending unit S: Another aspect provides a digital signature. Before transmitting a signed message, the unit S stores a plurality of quantities in the public repository. A unit R, that receives the message and the digital signature, verifies their authenticity by: